Concrete reenforcement



May 6, 1930.

CONCRETE REENF'ORCEMENT Filed A ril 4, 1927 2 Sheets-Sheet 1.

F1615, FIG. [9.

C. WEl CHOLD 1,757,694

May 6, 1930. c. WEICHOLD 1,757,694

CONCRETE REENFORCEMENT Filed April 4, 1927 2 Sheets-Sheet 2 enforcingbars,

8-8 of Fig. 7.

portion at each end forming extensions as 3,, of.

Patented May 6, l93Q Q 7 UNITED; -STATES [PATENT err-ma i ci iannnswEIcHoLD, or cmormvamr, onion i 'oononnrn nnnnrononivrniwr p jApplication Jfiled A ri'1'4, 1927. Seria $6, 53. I

The object of my invention is to produce a fiat in soine instances, andbent downwardly reenforcement strip or bar, made of metal, to form legs4, 4', in other instances. which is to be imbedded in theconcrete for"Itwill be noted that the flanges l, 1, and the Strengthening andreenforcing the concrete, U-partQ are formed of a curvilinear design 5in order to keep the concrete inafixed and to avoid any sharp edges orcorners. l normal position, prevent disintegration, and In order to formcontinuous bars I provide cracking and to prevent undue undulation ofside extending ears, 5, 5, which (")i'rerlap" the surface of theconcrete, thus retaining flanges 1, 1, when bent'upwarmy,arter es samein a desired condition. 'sectionsofbars 6 and 7haveibeen preesed'to 10My new reenforcing bar can be used in gether as shown in Fig. 6, theseears 5,5, re 6b" many ways and varying positions, according vent anylateral p1ay,-and-them eting ads; to the concrete job worked'upon are'held together by nails 8 8,: passing It is very simple in constructionand highly through holes 9, 9, in the bars 6 and-'7. 5 These eflicientin use, and is'formed in such a mannails hold the bars securelytogetherand-"form 1 ner that no sharp or rough edges or points are a cheapandsimple uniting means. 1

present in its outlines and all parts are In Figs. 7 and 8the concretepart ofadriye rounded or curved in contour, to prevent way is marked 10and th'e-cinders '12 and the cracking of the concrete. 1 space below thebars being filledfwith Icon- It is especially adaptable for use infloors, crete and abovethe bars shown at 13', the con 29 walls, driveways, walks, steps andkindred crete extends several inches above theupper concrete constructions. mostparts of the bars a V In theaccompanying drawing forming. In Figs? andsl show one detailed method Ipart of this specification: I r for using m'ynew reenforcing bars; inFig.7, Fig. 1, is a plan view of one form of my re- 1 show how they canbe crossed, one above the v otherlikeanX and 'othersplaced'on each sideFig. 2, is a side view thereof ,-the dotted thereof andisoinlbefiween'the Q lines in said Figs. 1 and 2 represent the bar Xsandin- F ig. 8, it is shown how said'bars'arej being straight, if it isdesired to use such crossed; in Fig; 7,-itwi1-1 be seen that the barsform, 4 T are placed and distributed in aroadway so 30 Fig. 3, is adetail plan View showing two that the wheels of a-vehicle will. not inan so bars joined, to form a continuous length, the manner heunsupported across the entire area; bars broken, off at their ends, ofthe said road, andinsuchconstru'ction the Fig. 4, is a side view ofparts shown in concrete will not crackand its surfacewill be Fi psupported inauniform manner, and strength- 35 Fig. 5, is a section takenon line 55 of m every par h reo a p Fig. 2, I r p Itff1sj shown1n Figs;2 and v? how re I Fig. 6, is a section taken on line 66 of enfQrcmg barsm hm d y le a Fig 4, them together;'1nth1s way any length may be used;

Fig. 7, is-a planview of a drive way section, with the ends broken awayshowing one form of using my reenforcing bars in such a con-1 creteconstruction, and l Fig. 8, is an enlarged-section, taken on line 40'While I have shown the bars used" inv con-' motion with flat work theymay, also be. used-inconnection withv upright walls and insuchconstructions these joined strips may beusedv to, advantage,- altho thesingle. bars I may also be used, and for strengthand-sup- The bar isusually formed of one metal Port o fth t i ay ext nd infa hor=.' Phavlng a y a1 1d a base (1 ng s izontaldirection to join the vertical orupliconnected y a ralsed U sectlon wl h right stripsand distributed in amannerytd he ng 1, extending eyo d he raised support the wallv inallsections or parts the-rie- The reenforcing strip or bar maybe used asshown in Figs. and 6, or the same may be inverted, which ever way ofuse, is found most practical by the particular job of concrete work. 1 V

It will be noted that the ends 15 of the part 2 are rounded andgradually tapered to nesses, as required. i

a point and are thus shaped to prevent sharp corners. a Y

- While my reenforcin bar may be made of any kind of material prefer: tostamp the same out of sheet metal of varying thickthereof, the endportions of the bar being wider than the main portion thereof, and beingpliantto permit the same to be readily bent downwardly to form legsadapted to rest on a foundation of a concrete layer in which the bar isto be imbedded.

In testimony whereof, I affix my signature at the city of Cincinnati,county of Hamilton and State of Ohio, this 24thda-y of March,

a r CHARLES WEICHOLD.

It will be noted'that the edge 20 where I desirettosecure byLettersPatent is gated reenforcing bar,

' 2. In a roadway or the 1. In a concrete construction, reenforcingbars, said bars having an elongated U shaped rib with lateral flanges atthe base thereof, one bar provided with a head having ears at its edges,the end. of one of said reenforcingbars lying within said headand earsand means, forholding themtogether to form an elon V like,'a layer ofconcrete, spaced lines of'metal reenforcin-g bars embedded in theconcrete, the bars of each line being in overlapping relation. with oneend of each bar arranged alongside of the adjacent-endofthenextbarf-D'and crossed bars f I I l embedded in the concrete ofbars. a oH 3. In concrete const-ruction,bars imbedded in the concrete, each ofsaid bars having an 1 etween saidhlines elongated UV-shaped rib withlateral flanges atthe base thereof, saidrib being rounded, the ends ofthe bar havingxflat pliant extensions which may be readily bentdownwardly to form legs of varying' lengths for supporting'the bar inproper position while it is beingimbedded in the concrete. i

4;. In concrete construction, a foundation, metal bars having pliantlegs resting on the foundation and supporting the main portions j Iof'the bars abovethe foundation, each "bar having an elongated U-shapedrib with'lat eral flanges at the base thereof, anda layer of concretearranged on the foundation, said bar's being'imbedde'd in the layerofconcrete. {5; A reenforcing elementfor flat concrete layers which aresubjected; tomoving loads,

5 *comprising a metal bar having an elongated U-shaped rib with lateralflanges at the base 7 v I

